Post Grid, Post Carousel, & List Category Posts < 2.4.19 - Contributor+ Stored XSS

2023-01-0600:00:00

Lana Codes

post grid

post carousel

list category posts

stored xss

smart post show

gutenberg block

0.001 Low

EPSS

Percentile

23.5%

JSON

The plugin does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Exploit Additional CSS class(es) for "Smart Post Show" Gutenberg block:

" onmouseover="alert(1)" style="background:red;"

Note: First, you need to add a Smart Post Show.

0.001 Low

EPSS

Percentile

23.5%

JSON

Related for WPEX-ID:19379F08-D667-4B1E-A774-0F4A17AD7BFF